Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mr. Mark Clayton, MFTINTERN

Individual provider Marriage & Family Therapist · NPI 1902293871

Mr. Mark Clayton, MFTINTERN is a Marriage & Family Therapist in Brentwood, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2015

Practice location Address checks out

8336 Brentwood Blvd
Brentwood, CA 94513-1113
Phone: (925) 813-1931
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence 83167 (CA)

Record details

NPI number1902293871
Entity typeIndividual (Type 1)
GenderMale
Credentials MFTINTERN
Sole proprietorYes
NPI enumeratedApril 18, 2015
Last updated in NPPESApril 18, 2015
Mailing address8336 Brentwood Blvd, Brentwood, CA 94513-1113

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